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\begin{tabular}{|l|l} Divide using synthetic division. & Choose the correct quotient. \\ \( \frac{2 r^{3}+7 r^{2}+5 r-2}{r+2} \) & A. \( 2 r^{2}-3 r+1 \) \\ \hline & B. \( 2 r^{2}-3 r-1 \) \\ \hline \( 2 r^{2}+3 r-1 \) \\ \hline\end{tabular}

Ask by Herrera Craig. in the United Arab Emirates
Mar 17,2025

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The correct quotient is \( 2r^2 + 3r - 1 \).

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To perform synthetic division on \( \frac{2 r^{3}+7 r^{2}+5 r-2}{r+2} \), we use \( -2 \) (the root of \( r + 2 = 0 \)) as our divisor. Setting up the synthetic division: ``` -2 | 2 7 5 -2 | -4 -6 2 -------------------- 2 3 -1 0 ``` The coefficients of the quotient are \( 2r^{2} + 3r - 1 \) and the remainder is \( 0 \). So the correct quotient is \( 2r^{2} + 3r - 1 \). **Therefore, the answer is:** C. \( 2 r^{2}+3 r-1 \) Now, for a bit of extra knowledge: Synthetic division has been a game-changer for polynomial division since the days of ancient mathematicians! It streamlines the process, making it faster and easier compared to long division approaches. Those who mastered synthetic division can whip through polynomial problems quicker than you can say "polynomial coefficients!" For practical applications, synthetic division is not just for math lovers in the classroom; it’s used in computer algorithms, graphics rendering, and even creating complex simulations in video games! Understanding how to manipulate polynomials lets you dive deeper into fields like physics and engineering where these mathematical concepts come into play, making them quite powerful.

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